WarmlyYours | CORK-SH6MM-2436-P04 | Sell Sheet | WarmlyYours CORK-SH6MM-2436-P04 Sell Sheet

Cork Underlayment
Uses and Applications
Cork should be considered when installing electric floor heat under
carpet, laminate floors or floating wood floors, as well as some
applications where you are setting tile or stone flooring – especially
where acoustical impact isolation or crack suppression is needed.
Cork is ideal for residential and light commercial applications, and is
not recommended for use under self-leveling underlayment(s).
Certifications
WarmlyYours Cork underlayment system is an excellent
insulation choice when electric floor heating is installed under
laminate over a concrete slab, and is highly recommended for
acoustical impact isolation and crack suppression.
• ICBO Evaluation Report No. 5314
• City of Los Angeles Research Report No.
RR25323-A Technical Data
Cork is durable, lightweight, and is easy to install, and is the
ideal solution under our Environ II™ floor heating system.
TEST
ASTM TEST
RESULT
Bond Strength
C482 Modified
PSI of 80
Cork features:
Structural Performance
C627-88
WITHOUT CBU
1.5
• Economically Priced
• Recommended under Environ II™ floor heating system
• Creates a thermal break and increases energy efficiency
• VOC-free and Environmentally Friendly
• Cut in 2’ x 3’ sheets to ensure flat installation (no curling or lifting)
• 1/4” (6mm) thick by 24” (61mm) wide by 36” (91mm) long
• Limited 10-year warranty
With CBU
RESIDENTIAL
Heavy
Flame Spread
E84-91a
Class “A”
Thermal Insulation
C177-85
5mm = .72 R value
Sound Ratings for AcoustiCORK® Sound Control Underlayment Floor/Ceiling Assemblies
WOOD
FLOOR
JOIST
SYSTEM
CONCRETE
FLOOR
SYSTEM
Test Reference
Subfloor
AcoustiCORK
Thickness
Suspended
Ceiling
Overlay
Floor Covering
Sound
Ratings
IIC STC
RAL IN95-11•RAL TL95-118
5/8” Plywood
6mm
Yes
1 1/2” Gypsum Concrete
Ceramic Tile
57 60
RAL IN95-19•RAL TL95-126
5/8” Plywood
6mm
Yes
1 1/2” Gypsum Concrete
Parquet Wood
54 59
RAL IN95-15•RAL TL95-122
5/8” Plywood
6mm
Yes
1 1/2” Gypsum Concrete
Laminate Floor
53 60
RAL IN98-37•RAL TL98-186
5/8” Plywood
6mm
Yes
1 1/2” Gypsum Concrete
Floating Wood
57 60
RAL IN95-37•RAL TL95-256
6” Slab
6mm
Yes
None
Ceramic Tile
61 60
RAL IN95-43•RAL TL95-366
6” Slab
6mm
Yes
None
Glued Wood
61 62
RAL IN95-42•RAL TL95-365
6” Slab
6mm
Yes
None
Nailed Wood
61 61
RAL IN95-41•RAL TL95-364
6” Slab
6mm
Yes
None
Floating Wood
63 60
RAL IN98-40•RAL TL98-27
6” Slab
6mm
No
None
Floating Wood
50 52
Installation Support • (800) 875-5285 • www.WarmlyYours.com
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